3.7V 25C RC Drone Battery 850mah with JST Plug Fit for Sky Viper, Syma and Holy Stone ★Long cycle life: Our Advanced

★Long cycle life: Our Advanced lipo battery with uniquely designed will recycle at least 500 times

the battery life is about 25 minutes

fast charging

4WD 55KM/H Super Fast: Top speed up to 55 km/h

providing you with a powerful illuminating effect and a vivid

3.7V 25C RC Drone Battery 850mah with JST Plug Fit for Sky Viper, Syma and Holy Stone ★Long cycle life: Our AdvancedApplication: URGENEX 850mah 3. 7V Li Po batteries will fit for MJX Syma Holy Stone Sky Viper RC Quadcopter Drone X56W X400 X400W X300C X400C X800 HS110 HS200 S670 V950hd S1750 V2450(Only if the voltage, dimension and the plug match, then it will fit). Parameters: Size: 43. 8*24. 6*9. 6mm 1. 7*0. 96*0. 37inch; Weight: 19g 0. 67oz; Capacity: 850mAh; Volt: 3. 7V. Battery Plug: JST Plug. Please noted that you should confirm your boat battery dimension and